Journal
LASER PHYSICS LETTERS
Volume 17, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1612-202X/ab60ac
Keywords
cavity quantum electrodynamics (C-QED); Fano resonance; fast to slow light; semiconductor quantum dots; metal nanoparticles
Categories
Funding
- National Natural Science Foundation of China [:11647001, 11804004]
- Anhui Provincial Natural Science Foundation [:1708085QA11]
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We theoretically demonstrate the Fano resonance and the conversion from fast to slow light in a hybrid semiconductor quantum dot (SQDs)-metal nanoparticle (MNPs) with cavity quantum electrodynamics treatment. The absorption spectra of the weak probe field exhibit a series of asymmetric Fano line shapes and their related optical propagation properties, such as fast and slow light effects, are investigated based on the hybrid system for suitable parametric regimes. Further, the transparency windows (i.e. the absorption dip approaches zero) in the probe absorption spectra are accompanied by the rapid steep dispersion of the Fano resonance profile, which promises the slow or fast light effect, and even tunable fast-to-slow light propagation (or vice versa) can be achieved by controlling different parameter regimes. Therefore the investigation may indicate promising applications in quantum information processing based on the hybrid SQD-MNP system.
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